tests/drivers/pn532: fix init error handling and increase verbosity #20750
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Contribution description
pn532_init()
contains no logic to actually test the proper connection to the device, and the driver test ignores initialization failures and does not show comprehensive errors. This PR changes the test to abort on errors during initialization or fw-version retrieval.Testing procedure
Look through the code changes. This does not impact the test execution in case of no errors.